Update .travis.yml

Author: PeterWippermann

.travis.yml

@@ -4,7 +4,7 @@ language: java
 deploy:
   provider: releases
   api_key: "github_token"
-  file: "target/cloudfoundry-connection-tester-1.0.0-SNAPSHOT.jar"
+  file: "target/cloudfoundry-connection-tester-*.jar"
   skip_cleanup: true
   on:
     tags: true